Mixing rotor



FIG. 1 is a perspective view of a mixing rotor showing our new design;

FIG. 2 is a first elevation view thereof;

FIG. 3 is a second elevation view thereof;

FIG. 4 is a third elevation view thereof;

FIG. 5 is a fourth elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a mixing rotor, as shown and described. 